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DBMS > DataChemist vs. IBM Db2 Event Store

System Properties Comparison DataChemist vs. IBM Db2 Event Store

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Editorial information provided by DB-Engines
NameDataChemist  Xexclude from comparisonIBM Db2 Event Store  Xexclude from comparison
DescriptionScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsDistributed Event Store optimized for Internet of Things use cases
Primary database modelGraph DBMSEvent Store
Time Series DBMS
Secondary database modelsRDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.07
Rank#305  Overall
#31  Graph DBMS
Score0.23
Rank#252  Overall
#2  Event Stores
#17  Time Series DBMS
Websitewww.datachemist.comwww.ibm.biz/­eventstore
Technical documentationwww.datachemist.com/­images/­uploads/­general/­Evolving_MeaningfulValuefromEnterpriseData.pdfwww.ibm.com/­support/­knowledgecenter/­en/­SSGNPV_1.1.2/­eventstore/­welcome.html
DeveloperDataChemist Ltd.IBM
Initial release20182017
Current release1.0, 20181.1.3
License infoCommercial or Open Sourcecommercialcommercial infofree developer edition available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languagePrologC++, Scala
Server operating systemsLinuxLinux infoLinux, macOS, Windows for the developer addition
Data schemeyesyes
Typing infopredefined data types such as float or dateyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nono
Secondary indexesno
SQL infoSupport of SQLSQL-like query language (WOQL)yes infothrough the embedded Spark runtime
APIs and other access methodsOWL
RESTful HTTP API
WOQL (DataChemist Query Language)
RESTful HTTP API
JDBC
Supported programming languagesJavaScript
Python
Java
Python
Scala
Server-side scripts infoStored proceduresyesno
Triggersyesno
Partitioning methods infoMethods for storing different data on different nodesGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesJournaling StreamsActive-active shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno
Concurrency infoSupport for concurrent manipulation of datayesNo - written data is immutable
Durability infoSupport for making data persistentyes infoin-memory journalingYes - Synchronous writes to local disk combined with replication
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlRole-based access controlUser level access control

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More resources
DataChemistIBM Db2 Event Store
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